A+2000 Washable Electrostatic Permanent Custom Air Filter - 13 3/4" x 24 3/4" x 1"You may know them as washable air or even permanent air filters; some just refer to them as electrostatic filters. Either way, the "A+2000" brand Permanent Washable Electrostatic custom air filters are truly quality products, built to last a lifetime. Unlike some permanent custom air filters, the A+2000 uses no foam that may clog, degrade and restrict air flow, so it can provide a lifetime of dependable service. And there are no metal parts that could

The secret behind the A+2000‰۪s custom air filters performance is the patented stage loading/peak and valley design

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Can be ordered in packages of 2 each only

They are easy to clean by simply backwashing every month with cold water so you don‰۪t need expensive cleaners

with each stage capturing progressively smaller particles inside the filter

The Pad and Frame Air Filter involves a permanent frame and replaceable filtration pad inserts

28X Increased Efficiency

This design enables A+2000 custom air filters to maintain performance over the years

such as dust

some just refer to them as electrostatic filters

Filtering inserts are shipped in an easily stored packet